{
    "model": {
        "rank": 3838,
        "code": "thing-q157512",
        "model_id": "vr.tr.engagement",
        "name": "engagement",
        "purpose": "Enable an AI agent to recognise, assess and support audience engagement with media while distinguishing observed interactions from inferred attention, interest and commitment.",
        "family": "Thing Registry",
        "category": "Information and virtual systems",
        "status": "research-draft",
        "kind": "thing",
        "plane": "INF",
        "domain": "INF.MED",
        "industry": "",
        "version": "",
        "url": "/models/thing/q157512/",
        "tier": 2,
        "score": 81,
        "payload": {
            "layer": "wikidata",
            "aliases": [
                "nacai",
                "engagement in Islam",
                "sponsio",
                "Sponsalia"
            ],
            "aliasCount": 4,
            "merged": 4,
            "knownIn": 81,
            "facets": null,
            "markers": [],
            "lexicalClass": "",
            "senseRank": null,
            "alsoRegisteredAs": "vr.tr.engagement",
            "source": {
                "dataset": "wikidata",
                "item": "Q157512",
                "url": "https://www.wikidata.org/wiki/Q157512",
                "license": "CC0 1.0"
            }
        },
        "research": {
            "vercy": "1.0-draft",
            "publication": {
                "status": "research-draft",
                "adjudicationStatus": "unreviewed",
                "publishableCanonical": false,
                "generatedAt": "2026-09-09T18:52:51Z",
                "providers": [
                    "Codex"
                ],
                "breadth": "recalled by Codex without web access - no source was read",
                "missingProviders": [],
                "pass": 2,
                "cost": {
                    "grok": {
                        "seconds": 19.7,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08783-2628-7cd3-b37b-6fc3e7632cb0\n--------\nuser\nDescribe what is already known about one registered thing. Answer as JSON only, no prose around it.\n\nThing: engagement\nSense to describe: (none recorded)\nDomain code: INF.MED\nAlso known as: (none)\n\n\nContext for this batch of 695 things:\n# Batch 004: 1001 regis",
                        "usd": 0,
                        "recall": true
                    },
                    "codex": {
                        "seconds": 57.7,
                        "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.4\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a08783-2622-7d63-8a61-3001482f5da4\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: engagement\nRegistry id: vr.tr.engagement\nPlane / domain: INF / INF.MED\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\n\nCo"
                    }
                }
            },
            "metaModel": {
                "id": "THING-Q157512",
                "registryId": "vr.tr.engagement",
                "name": "engagement",
                "version": "0.1.0-research.1",
                "entryKind": "thing",
                "family": "Thing Registry",
                "domain": [
                    "INF.MED"
                ],
                "status": "research-draft"
            },
            "canonicalUrl": "https://ver.cy/models/thing/q157512/",
            "model": {
                "registry_id": "vr.tr.engagement",
                "name": "engagement",
                "purpose": "Enable an AI agent to recognise, assess and support audience engagement with media while distinguishing observed interactions from inferred attention, interest and commitment.",
                "definition": "In media contexts, engagement is an audience member's attention, cognitive or emotional involvement, or active participation in relation to media content, a service, or its associated community.",
                "scope_statement": "This draft provisionally interprets vr.tr.engagement in INF / INF.MED as audience engagement: a situated relationship of attention, response or participation between an audience and media content, a channel or a mediated experience; the intended registry sense remains unconfirmed.",
                "in_scope": [
                    "The audience, media target and context that define an engagement episode or continuing relationship",
                    "Behavioural, self-reported and inferred dimensions of audience engagement",
                    "Engagement depth, duration, recurrence and changes over time",
                    "Measurement definitions, denominators and limits of engagement evidence",
                    "Permissible interventions intended to support meaningful audience participation"
                ],
                "out_of_scope": [
                    "The identity, composition, editions and rights of the media work itself",
                    "Advertising delivery, impressions and potential reach except as engagement context",
                    "Commercial conversion, revenue and customer retention as independently assessed outcomes",
                    "Employment engagement, contractual engagements and promises to marry",
                    "Military engagements and works titled Engagement"
                ],
                "distinguishing_features": [
                    "An impression establishes an opportunity for exposure; it does not by itself establish attention or participation.",
                    "A click, comment or long viewing session is evidence of a particular behaviour, not automatic evidence of interest, comprehension or approval.",
                    "Engagement requires an identified audience-to-media relationship and observation context; an isolated interaction count lacks that interpretation.",
                    "Engagement can involve criticism, confusion or disagreement, so positive sentiment is not a defining requirement.",
                    "Engagement may occur without a purchase or other conversion, and a conversion does not establish sustained engagement."
                ],
                "characteristics": [
                    {
                        "name": "Engagement target",
                        "kind": "relation",
                        "unit_or_values": "Identified media item, series, channel or mediated experience, with relevant version",
                        "why_it_matters": "Prevents engagement with one item from being attributed without justification to its creator, channel or platform."
                    },
                    {
                        "name": "Audience unit",
                        "kind": "category",
                        "unit_or_values": "Person, account, device, session or defined cohort; identity certainty recorded separately",
                        "why_it_matters": "Determines whether observations can support claims about people, repeat participation or audience size."
                    },
                    {
                        "name": "Engagement dimension",
                        "kind": "category",
                        "unit_or_values": "Behavioural participation, reported attention, reported emotional response or inferred cognitive involvement; multiple values allowed",
                        "why_it_matters": "Keeps directly observed actions distinct from experiences that require reports or interpretation."
                    },
                    {
                        "name": "Attentive duration estimate",
                        "kind": "measurement",
                        "unit_or_values": "Seconds or minutes within a specified observation window, with activity rules and uncertainty",
                        "why_it_matters": "Makes time-based evidence interpretable without equating elapsed playback or an open tab with attention."
                    },
                    {
                        "name": "Interaction rate",
                        "kind": "measurement",
                        "unit_or_values": "Qualifying interactions per explicitly defined opportunity, session or audience unit",
                        "why_it_matters": "A rate is meaningful only when its numerator, denominator and deduplication rules are known."
                    },
                    {
                        "name": "Recurrence",
                        "kind": "measurement",
                        "unit_or_values": "Qualifying return episodes per stated interval, with identity-linking and session-boundary rules",
                        "why_it_matters": "Distinguishes a single response from an ongoing audience relationship."
                    },
                    {
                        "name": "Assessment state",
                        "kind": "state",
                        "unit_or_values": "Unassessed, evidence insufficient, supported for a specified dimension or disputed",
                        "why_it_matters": "Allows an agent to withhold a conclusion when available signals cannot establish engagement."
                    },
                    {
                        "name": "Response valence",
                        "kind": "category",
                        "unit_or_values": "Positive, negative, mixed, neutral or unknown, with evidence basis",
                        "why_it_matters": "Prevents high activity driven by outrage or dissatisfaction from being reported as approval."
                    }
                ],
                "affordances": [
                    "Associate an engagement assessment with a specific audience, media target and observation window.",
                    "Assess separate engagement dimensions using evidence appropriate to each dimension.",
                    "Compare episodes or cohorts when measurement definitions and exposure conditions are compatible.",
                    "Identify recurrence, drop-off or changes in participation without presuming their causes.",
                    "Propose and evaluate permitted changes to content presentation or participation opportunities.",
                    "Flag unsupported engagement claims, ambiguous signals and activity inconsistent with the stated audience."
                ]
            },
            "sources": [],
            "structure": {
                "bundles": [
                    {
                        "id": "audience-media-relationship",
                        "name": "Audience and media relationship",
                        "description": "Establishes whose engagement is being assessed, with what media and in which setting.",
                        "rationale": "Engagement attaches to a situated relationship rather than to content or audience independently.",
                        "layers": [
                            {
                                "id": "engagement-target",
                                "name": "Engagement target",
                                "description": "Identifies the media object or experience to which evidence applies.",
                                "findings": [
                                    {
                                        "id": "target-attribution",
                                        "name": "Target attribution",
                                        "description": "Record whether the assessment concerns an item, series, channel or experience and the evidence supporting attribution at that level.",
                                        "questions": [
                                            {
                                                "text": "Which media item, version, series, channel or experience is the audience engaging with?",
                                                "kind": "definition",
                                                "id": "target-attribution-q01"
                                            },
                                            {
                                                "text": "What justifies attributing a response to this target rather than to an embedded advertisement, linked item or surrounding discussion?",
                                                "kind": "boundary",
                                                "id": "target-attribution-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "audience-and-setting",
                                "name": "Audience and setting",
                                "description": "Defines the observed audience unit and conditions of participation.",
                                "findings": [
                                    {
                                        "id": "participation-context",
                                        "name": "Participation context",
                                        "description": "Record the audience unit, route of exposure and whether participation was voluntary, required or incentivised.",
                                        "questions": [
                                            {
                                                "text": "Does the evidence identify a person, account, device, session or cohort, and how was that unit established?",
                                                "kind": "provenance",
                                                "id": "participation-context-q01"
                                            },
                                            {
                                                "text": "Was participation self-directed, assigned, incentivised or initiated automatically by the interface?",
                                                "kind": "boundary",
                                                "id": "participation-context-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "attention-response-and-participation",
                        "name": "Attention, response and participation",
                        "description": "Separates observable media use from reported or inferred audience experience.",
                        "rationale": "Similar interaction traces can reflect different levels of attention, motivations and emotional responses.",
                        "layers": [
                            {
                                "id": "observable-media-use",
                                "name": "Observable media use",
                                "description": "Describes actions and temporal patterns without assuming an internal audience state.",
                                "findings": [
                                    {
                                        "id": "behavioural-evidence",
                                        "name": "Behavioural evidence",
                                        "description": "Record qualifying consumption and contribution behaviours, including how inactivity and automatic events are handled.",
                                        "questions": [
                                            {
                                                "text": "Which actions qualify as evidence here: reading activity, playback, saving, sharing, commenting or creating a response?",
                                                "kind": "definition",
                                                "id": "behavioural-evidence-q01"
                                            },
                                            {
                                                "text": "How are background playback, idle time, accidental clicks and automatically generated events identified or left uncertain?",
                                                "kind": "measurement",
                                                "id": "behavioural-evidence-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "experienced-involvement",
                                "name": "Experienced involvement",
                                "description": "Represents attention, interest, emotional response and cognitive involvement with an explicit evidence basis.",
                                "findings": [
                                    {
                                        "id": "experience-and-valence",
                                        "name": "Experience and valence",
                                        "description": "Keep audience reports and interpretive estimates distinct from behaviour, and assess response valence separately from intensity.",
                                        "questions": [
                                            {
                                                "text": "What audience report or assessment method supports a claim of attention, interest or cognitive involvement?",
                                                "kind": "provenance",
                                                "id": "experience-and-valence-q01"
                                            },
                                            {
                                                "text": "Could the observed activity reflect disagreement, confusion or distress rather than enjoyment or approval?",
                                                "kind": "boundary",
                                                "id": "experience-and-valence-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "engagement-measurement-and-comparison",
                        "name": "Engagement measurement and comparison",
                        "description": "Makes engagement measures interpretable and identifies which comparisons the evidence supports.",
                        "rationale": "An engagement count, rate or score can mislead when exposure, counting rules or observation coverage differ.",
                        "layers": [
                            {
                                "id": "metric-contract",
                                "name": "Metric definition",
                                "description": "Specifies what a reported count, rate, duration or composite score actually measures.",
                                "findings": [
                                    {
                                        "id": "counting-and-denominators",
                                        "name": "Counting and denominators",
                                        "description": "Record qualifying events, audience units, observation windows, deduplication and any score aggregation.",
                                        "questions": [
                                            {
                                                "text": "What are the exact numerator, denominator, time window and repeat-event rules for each engagement measure?",
                                                "kind": "measurement",
                                                "id": "counting-and-denominators-q01"
                                            },
                                            {
                                                "text": "If a composite score is used, which dimensions and weights produce it, and what interpretation is justified?",
                                                "kind": "definition",
                                                "id": "counting-and-denominators-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "evidence-quality",
                                "name": "Evidence quality",
                                "description": "Examines coverage, authenticity and comparability of engagement observations.",
                                "findings": [
                                    {
                                        "id": "coverage-and-comparability",
                                        "name": "Coverage and comparability",
                                        "description": "Record missing observations, suspected artificial activity and differences that constrain comparisons.",
                                        "questions": [
                                            {
                                                "text": "Which engagement behaviours or audience groups are invisible to the collection method, and how is suspected automated or coordinated activity treated?",
                                                "kind": "provenance",
                                                "id": "coverage-and-comparability-q01"
                                            },
                                            {
                                                "text": "Are exposure conditions, media length, audience units and metric definitions sufficiently aligned for the proposed comparison?",
                                                "kind": "boundary",
                                                "id": "coverage-and-comparability-q02"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "engagement-development-and-action",
                        "name": "Engagement development and action",
                        "description": "Tracks engagement over time and guides interventions using explicit objectives and constraints.",
                        "rationale": "An agent needs to distinguish temporary activity from continuing participation and evaluate whether a proposed change serves the audience and the stated purpose.",
                        "layers": [
                            {
                                "id": "episodes-and-recurrence",
                                "name": "Episodes and recurrence",
                                "description": "Defines engagement episodes and evaluates continuity or change between them.",
                                "findings": [
                                    {
                                        "id": "continuity-and-drop-off",
                                        "name": "Continuity and drop-off",
                                        "description": "Record episode boundaries, return patterns and points of disengagement while preserving uncertainty about causes.",
                                        "questions": [
                                            {
                                                "text": "What starts and ends an engagement episode, and what evidence connects returning episodes to the same audience unit?",
                                                "kind": "measurement",
                                                "id": "continuity-and-drop-off-q01"
                                            },
                                            {
                                                "text": "Does reduced activity indicate disengagement, successful completion, lost access or an observation gap?",
                                                "kind": "boundary",
                                                "id": "continuity-and-drop-off-q02"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "permitted-engagement-interventions",
                                "name": "Permitted engagement interventions",
                                "description": "Relates proposed changes to audience purpose, agent authority and outcome evidence.",
                                "findings": [
                                    {
                                        "id": "intervention-and-evaluation",
                                        "name": "Intervention and evaluation",
                                        "description": "Specify the intended engagement dimension, authorised intervention and evidence needed to assess benefit without treating more activity as inherently better.",
                                        "questions": [
                                            {
                                                "text": "Which content, navigation, accessibility or participation change may the agent make, and what audience purpose should it support?",
                                                "kind": "action",
                                                "id": "intervention-and-evaluation-q01"
                                            },
                                            {
                                                "text": "How will the evaluation distinguish the change's effect from differences in exposure and detect unwanted pressure or participation burden?",
                                                "kind": "measurement",
                                                "id": "intervention-and-evaluation-q02"
                                            },
                                            {
                                                "text": "What audience preferences, measurement permissions or stopping conditions limit the intervention?",
                                                "kind": "action",
                                                "id": "intervention-and-evaluation-q03"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "evidence-and-external-alignment",
                        "name": "Evidence and external alignment",
                        "description": "What the world already says about this thing, gathered so the model can be checked against it.",
                        "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.",
                        "layers": [
                            {
                                "id": "reported-evidence",
                                "name": "Reported evidence",
                                "description": "Findings from the breadth pass, kept separate from the structural claims.",
                                "findings": [
                                    {
                                        "id": "evidence-confidence-notes",
                                        "name": "Check these first",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "The audience-engagement sense is inferred from INF.MED; the registry supplies no sense or definition.",
                                            "Engagement is a construct or process, not ordinarily a work or creative form; check whether the registry instead intends a titled work.",
                                            "This is recall, not source-verified research; operational definitions and platform-specific metrics require checking."
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-confidence-notes-q01",
                                                "text": "Which of these check these first hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-kinds",
                                        "name": "Kinds and varieties",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Cognitive engagement",
                                            "Emotional engagement",
                                            "Behavioural engagement"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-kinds-q01",
                                                "text": "Which of these kinds and varieties hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-real-world-use",
                                        "name": "Real-world use",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Evaluating audience responses to journalism, entertainment and advertising",
                                            "Assessing participation in online communities",
                                            "Informing editorial and content design decisions",
                                            "Comparing audience behaviour across content versions or campaigns"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-real-world-use-q01",
                                                "text": "Which of these real-world use hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-measurements",
                                        "name": "Typical measurements",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "quantity": "Engaged time",
                                                "typical_range": "Non-negative; depends on the observation window and the definition of active attention",
                                                "unit": "seconds"
                                            },
                                            {
                                                "quantity": "Recorded interactions",
                                                "typical_range": "Non-negative integer within a stated observation window",
                                                "unit": "events"
                                            },
                                            {
                                                "quantity": "Engagement rate",
                                                "typical_range": "No universal range; depends on the counted actions and whether the denominator is impressions, reach, followers or another population",
                                                "unit": "percent"
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-measurements-q01",
                                                "text": "Which of these typical measurements hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-failure-modes-and-hazards",
                                        "name": "Failure modes and hazards",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            "Treating clicks or reactions as direct evidence of attention, understanding or approval",
                                            "Comparing rates calculated with different denominators or observation windows",
                                            "Inflation through bots, purchased interactions or coordinated manipulation",
                                            "Optimising for outrage or compulsive use because these can increase recorded interactions",
                                            "Underestimating attentive audiences who do not visibly interact"
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-failure-modes-and-hazards-q01",
                                                "text": "Which of these failure modes and hazards hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    },
                                    {
                                        "id": "evidence-neighbours",
                                        "name": "Neighbouring kinds and how to tell them apart",
                                        "description": "Recalled without web access and unsourced; every item is a lead to verify.",
                                        "evidence": [
                                            {
                                                "name": "Reach",
                                                "difference": "Reach counts distinct audience members exposed to content; engagement concerns their involvement or response."
                                            },
                                            {
                                                "name": "Impression",
                                                "difference": "An impression records a display or exposure event without establishing audience involvement."
                                            },
                                            {
                                                "name": "Attention",
                                                "difference": "Attention concerns allocation of perceptual or mental resources; engagement can additionally involve emotion and participation."
                                            },
                                            {
                                                "name": "Conversion",
                                                "difference": "A conversion is a specified target action; engagement can occur without that action."
                                            },
                                            {
                                                "name": "Satisfaction",
                                                "difference": "Satisfaction is an evaluation of an experience; substantial engagement can accompany dissatisfaction."
                                            }
                                        ],
                                        "questions": [
                                            {
                                                "id": "evidence-neighbours-q01",
                                                "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of engagement this model covers, and on what evidence?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "openQuestions": [
                "Does vr.tr.engagement denote audience engagement in INF.MED, or a particular media work or another sense of engagement?",
                "Which existing Vercy world model, if any, already owns this concept and should serve as its single source of truth?",
                "Which researched framework should define engagement dimensions, and how should it distinguish engagement from attention, involvement and participation?",
                "Which measurement methods are sufficiently supported for the intended media contexts, especially silent reading, shared viewing and offline participation?",
                "Which audience purposes and permissions should govern engagement interventions, including when reduced activity represents a successful outcome?"
            ],
            "statistics": {
                "bundles": 5,
                "layers": 9,
                "findings": 14,
                "questions": 23
            }
        },
        "draft": {
            "generator": "vr.draft.v3",
            "status": "draft-generated",
            "researched": false,
            "archetype": "work, medium or creative form",
            "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.",
            "facetsInferred": true,
            "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.",
            "purpose": "Give an agent a durable, checkable way to recognise a engagement, record what state it is in, and decide what may be done with it.",
            "whatItIs": "Enable an AI agent to recognise, assess and support audience engagement with media while distinguishing observed interactions from inferred attention, interest and commitment.",
            "characteristics": {
                "substance": "information",
                "origin": "conceptual",
                "agency": "inert"
            },
            "whatYouCanDoWithIt": [
                "read and interpreted",
                "observed and measured"
            ],
            "distinguishingFeatures": [
                "Names folded into this entry, which a task may need to split apart again: nacai, engagement in Islam, sponsio, Sponsalia.",
                "4 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.",
                "Described in 81 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is."
            ],
            "openQuestionsForResearch": [
                "Which of the bundles below does a real task actually need, and which are ceremony?",
                "What does this thing have that the facets do not capture at all?",
                "Which neighbouring kind is most often confused with a engagement, and on what evidence are they told apart?"
            ],
            "whatItIsMadeOf": "content that has to be carried by something else",
            "physicalCharacter": [
                "Does nothing on its own; everything it does, something else did to it.",
                "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing."
            ],
            "whatCanBeDoneWithIt": [
                "read it and act on what it says",
                "observe it, measure it, record its state"
            ],
            "howItIsRecognised": [
                "What is seen is a copy or a performance, not the work. Recognising the work means recognising the content through whatever is carrying it."
            ],
            "relatedModels": [
                {
                    "relation": "covers",
                    "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.",
                    "targets": [
                        "nacai",
                        "engagement in Islam",
                        "sponsio",
                        "Sponsalia"
                    ]
                }
            ],
            "standing": "Described in 81 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 4 finer distinctions are held inside this entry as names rather than as separate models.",
            "structure": {
                "bundles": [
                    {
                        "id": "identity-and-classification",
                        "name": "Identity, naming and classification",
                        "description": "How an agent tells one engagement from another, and a engagement from things that resemble it.",
                        "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.",
                        "layers": [
                            {
                                "id": "naming-and-identifiers",
                                "name": "Names and identifiers",
                                "description": "The names this thing goes by and the identifiers that survive translation and time.",
                                "findings": [
                                    {
                                        "id": "preferred-name-and-aliases",
                                        "name": "Preferred name, aliases and local names",
                                        "description": "Which name to use, which names mean the same thing, and which merely sound similar.",
                                        "questions": [
                                            {
                                                "id": "preferred-name-and-aliases-q01",
                                                "text": "What identifies and describes the name of a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q02",
                                                "text": "Who or what asserted this about the name of a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "preferred-name-and-aliases-q03",
                                                "text": "What may an agent decide or do once the name of a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "stable-identifiers",
                                        "name": "Stable identifiers and external keys",
                                        "description": "Identifiers that keep pointing at this kind of thing across systems and languages.",
                                        "questions": [
                                            {
                                                "id": "stable-identifiers-q01",
                                                "text": "What identifies and describes an identifier for a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q02",
                                                "text": "Who or what asserted this about an identifier for a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stable-identifiers-q03",
                                                "text": "What may an agent decide or do once an identifier for a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "classification-and-granularity",
                                "name": "Classification and granularity",
                                "description": "Where a engagement sits among kinds, and how finely a task needs to cut it.",
                                "findings": [
                                    {
                                        "id": "kind-and-parents",
                                        "name": "Kind, parents and neighbouring kinds",
                                        "description": "The classes this thing belongs to and the ones it is next to.",
                                        "questions": [
                                            {
                                                "id": "kind-and-parents-q01",
                                                "text": "What identifies and describes the kind of a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q02",
                                                "text": "Who or what asserted this about the kind of a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "kind-and-parents-q03",
                                                "text": "What may an agent decide or do once the kind of a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    },
                                    {
                                        "id": "distinguishing-features",
                                        "name": "Distinguishing features",
                                        "description": "What separates a engagement from the things most often confused with it.",
                                        "questions": [
                                            {
                                                "id": "distinguishing-features-q01",
                                                "text": "What identifies and describes what distinguishes a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q02",
                                                "text": "Who or what asserted this about what distinguishes a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "distinguishing-features-q03",
                                                "text": "What may an agent decide or do once what distinguishes a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "state-and-lifecycle",
                        "name": "State and lifecycle",
                        "description": "The states a engagement passes through and the events that move it between them.",
                        "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.",
                        "layers": [
                            {
                                "id": "lifecycle-stages",
                                "name": "Lifecycle stages",
                                "description": "From coming into existence to ceasing to be one of these.",
                                "findings": [
                                    {
                                        "id": "stages-and-transitions",
                                        "name": "Stages and transitions",
                                        "description": "The stages worth naming and what moves a engagement between them.",
                                        "questions": [
                                            {
                                                "id": "stages-and-transitions-q01",
                                                "text": "What identifies and describes the lifecycle of a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q02",
                                                "text": "Who or what asserted this about the lifecycle of a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "stages-and-transitions-q03",
                                                "text": "What may an agent decide or do once the lifecycle of a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "observations-and-status",
                                "name": "Observations and current status",
                                "description": "What is observed about a engagement, how often and by whom.",
                                "findings": [
                                    {
                                        "id": "observation-record",
                                        "name": "Observation record",
                                        "description": "How an observation of a engagement is recorded so that it can be superseded rather than overwritten.",
                                        "questions": [
                                            {
                                                "id": "observation-record-q01",
                                                "text": "What identifies and describes an observation of a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q02",
                                                "text": "Who or what asserted this about an observation of a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "observation-record-q03",
                                                "text": "What may an agent decide or do once an observation of a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "content-and-access",
                        "name": "Content, encoding and access",
                        "description": "What a engagement says, how it is encoded and who may read it.",
                        "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.",
                        "layers": [
                            {
                                "id": "content-and-encoding",
                                "name": "Content and encoding",
                                "description": "The content itself, its format and its language.",
                                "findings": [
                                    {
                                        "id": "content-and-format",
                                        "name": "Content, format and language",
                                        "description": "What a engagement contains and in what form it is held.",
                                        "questions": [
                                            {
                                                "id": "content-and-format-q01",
                                                "text": "What identifies and describes the content of a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q02",
                                                "text": "Who or what asserted this about the content of a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "content-and-format-q03",
                                                "text": "What may an agent decide or do once the content of a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "access-and-rights",
                                "name": "Access, rights and retention",
                                "description": "Who may read, copy or change it, and for how long it is kept.",
                                "findings": [
                                    {
                                        "id": "access-rules",
                                        "name": "Access rules and retention",
                                        "description": "The permissions attached to a engagement and the period it survives.",
                                        "questions": [
                                            {
                                                "id": "access-rules-q01",
                                                "text": "What identifies and describes access to a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q02",
                                                "text": "Who or what asserted this about access to a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "access-rules-q03",
                                                "text": "What may an agent decide or do once access to a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "work-and-manifestation",
                        "name": "Work, version and copy",
                        "description": "Which level of engagement a statement is about.",
                        "rationale": "The work, the edition, the file and the copy in hand are four things; rights and content attach to different ones.",
                        "layers": [
                            {
                                "id": "levels",
                                "name": "Levels of the thing",
                                "description": "Work, expression, manifestation and item, in plain terms.",
                                "findings": [
                                    {
                                        "id": "level-rules",
                                        "name": "What belongs at each level",
                                        "description": "Which facts hold for the work and which only for one copy.",
                                        "questions": [
                                            {
                                                "id": "level-rules-q01",
                                                "text": "For engagement, which facts belong to the work itself, which to a version, and which to a single copy?",
                                                "kind": "boundary"
                                            },
                                            {
                                                "id": "level-rules-q02",
                                                "text": "What identifier exists at each level, and which one is being cited?",
                                                "kind": "definition"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "versions",
                                "name": "Versions, editions and variants",
                                "description": "How versions differ and which is canonical to whom.",
                                "findings": [
                                    {
                                        "id": "version-record",
                                        "name": "Versions and canonicity",
                                        "description": "Differences that matter and who calls one authoritative.",
                                        "questions": [
                                            {
                                                "id": "version-record-q01",
                                                "text": "Which versions or editions of engagement exist, and how do they differ substantively?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "version-record-q02",
                                                "text": "Who treats which version as authoritative, and for what purpose?",
                                                "kind": "provenance"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "authorship-and-rights",
                        "name": "Authorship, rights and permitted use",
                        "description": "Who made engagement and what may be done with it.",
                        "rationale": "Rights are jurisdictional, time-limited and attached to a level, and an agent that ignores that will copy what it may not.",
                        "layers": [
                            {
                                "id": "authorship",
                                "name": "Authorship and contribution",
                                "description": "Who contributed what, and in what capacity.",
                                "findings": [
                                    {
                                        "id": "contribution-record",
                                        "name": "Contributors and roles",
                                        "description": "The people and bodies behind it, with their roles.",
                                        "questions": [
                                            {
                                                "id": "contribution-record-q01",
                                                "text": "Who authored or contributed to engagement, in what roles, and how is that attested?",
                                                "kind": "provenance"
                                            },
                                            {
                                                "id": "contribution-record-q02",
                                                "text": "Where authorship is disputed or anonymous, what is recorded instead?",
                                                "kind": "boundary"
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "rights",
                                "name": "Rights and permissions",
                                "description": "Which rights subsist, where, until when, and what they permit.",
                                "findings": [
                                    {
                                        "id": "rights-record",
                                        "name": "Rights, term and permitted acts",
                                        "description": "The regime in force and what it allows.",
                                        "questions": [
                                            {
                                                "id": "rights-record-q01",
                                                "text": "What rights subsist in engagement, in which jurisdictions, and until when?",
                                                "kind": "definition"
                                            },
                                            {
                                                "id": "rights-record-q02",
                                                "text": "Which acts are permitted without further permission, and which must an agent refuse?",
                                                "kind": "action"
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    },
                    {
                        "id": "provenance-and-evidence",
                        "name": "Provenance, evidence and time",
                        "description": "Where every claim about a engagement came from and when it held.",
                        "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.",
                        "layers": [
                            {
                                "id": "source-and-authority",
                                "name": "Source and authority",
                                "description": "Who said it, on what evidence, and how strongly.",
                                "findings": [
                                    {
                                        "id": "claim-provenance",
                                        "name": "Claim provenance and confidence",
                                        "description": "The authority behind each claim about a engagement and how confident it is.",
                                        "questions": [
                                            {
                                                "id": "claim-provenance-q01",
                                                "text": "What identifies and describes a claim about a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q02",
                                                "text": "Who or what asserted this about a claim about a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "claim-provenance-q03",
                                                "text": "What may an agent decide or do once a claim about a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            },
                            {
                                "id": "time-and-versions",
                                "name": "Time, versions and supersession",
                                "description": "When a claim was true, when it was learnt, and what replaced it.",
                                "findings": [
                                    {
                                        "id": "validity-and-supersession",
                                        "name": "Validity period and supersession",
                                        "description": "How an old claim about a engagement is retired without being erased.",
                                        "questions": [
                                            {
                                                "id": "validity-and-supersession-q01",
                                                "text": "What identifies and describes the validity of a claim about a engagement, and in what units or vocabulary?",
                                                "kind": "definition",
                                                "answer_data": [
                                                    "identifiers",
                                                    "types and classes",
                                                    "values with units",
                                                    "explicit unknowns"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q02",
                                                "text": "Who or what asserted this about the validity of a claim about a engagement, by which method, and when was it true?",
                                                "kind": "provenance",
                                                "answer_data": [
                                                    "authority",
                                                    "method",
                                                    "evidence",
                                                    "event time",
                                                    "knowledge time"
                                                ]
                                            },
                                            {
                                                "id": "validity-and-supersession-q03",
                                                "text": "What may an agent decide or do once the validity of a claim about a engagement is known, and what must it refuse?",
                                                "kind": "action",
                                                "answer_data": [
                                                    "permitted actions",
                                                    "preconditions",
                                                    "refusals",
                                                    "escalation"
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            "statistics": {
                "bundles": 6,
                "layers": 12,
                "findings": 14,
                "questions": 38
            }
        }
    }
}